Cohort Study Quiz Y3 pre

What is the main purpose of a cohort study?

• To analyze data from a cross-sectional study

• To conduct a study on a single individual

• To perform a retrospective study

• To determine which patient characteristics are associated with a disease

What is the difference between a prospective cohort study and a retrospective cohort study?

• Retrospective studies are more accurate than prospective studies

• Prospective studies involve a larger sample size than retrospective studies

• Prospective studies follow participants over time, while retrospective studies look back at historical data

• Retrospective studies follow participants over time, while prospective studies look back at historical data

What is the purpose of selecting a comparison group in a cohort study?

• To compare the exposure of the groups

• To reduce the sample size

• To compare the outcomes between exposed and non-exposed groups

• To increase the cost of the study

What is one of the disadvantages of a cohort study?

• Loss to follow-up

• Small sample size

• Low cost

• Easy follow-up process

Which of the following best describes a cohort study?

• A study where participants are randomly assigned to groups

• A study that examines the prevalence of a disease at a single point in time

• A study that follows a group of people over time to assess the development of a disease

• A study that compares outcomes between two different populations

Which of the following is NOT a type of cohort study?

• Prospective cohort study

• Retrospective cohort study

• Cross-sectional cohort study

• Historical cohort study

What is the main outcome measure in a cohort study?

• Prevalence

• Incidence

• Mean difference

• Median survival

Which of the following are common methods of data collection in medical research? (You may choose more than 1 answer)

• Surveys and questionnaires

• Laboratory tests and biomarkers

• Randomization

• Observational studies

• Clinical examinations

Which of the following learning methods do you prefer?

Lectures/ Group discussions/ Hands on practical sessions / Online learning modules / Reading textbooks & articles / Watching instructional videos

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How long can you stay focused during a typical class or study session? (Select all that apply)

• Less than 30 minutes

• 30 minutes to 1 hour

• 1 to 1.5 hours

• 1.5 to 2 hours

• More than 2 hours